The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 13, 2014

Filed:

Mar. 11, 2009
Applicants:

Takahide Takiguchi, Shimotsuke, JP;

Satoshi Matsumoto, Oyama, JP;

Yoshiaki Saito, Kawaguchi, JP;

Inventors:

Takahide Takiguchi, Shimotsuke, JP;

Satoshi Matsumoto, Oyama, JP;

Yoshiaki Saito, Kawaguchi, JP;

Assignee:

Komatsu Ltd, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F 9/22 (2006.01); G06F 19/00 (2011.01); E02F 3/43 (2006.01); F15B 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An object of the present invention is to prevent an unnecessary large amount of hydraulic oil from being supplied to a cylinder when a working vehicle capable of performing both a loading operation and a digging operation is performing the digging operation. When one or a plurality of first digging operation conditions are satisfied and when a second operation condition that it is not detected that the loading operation is being performed is also satisfied, a control unit executes fluid amount reduction control of reducing the amount of hydraulic oil supplied from a first pump to a cylinder that actuates a work equipment.


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